DE3176372D1 - An inductive displacement transducer - Google Patents

An inductive displacement transducer

Info

Publication number
DE3176372D1
DE3176372D1 DE8181304602T DE3176372T DE3176372D1 DE 3176372 D1 DE3176372 D1 DE 3176372D1 DE 8181304602 T DE8181304602 T DE 8181304602T DE 3176372 T DE3176372 T DE 3176372T DE 3176372 D1 DE3176372 D1 DE 3176372D1
Authority
DE
Germany
Prior art keywords
displacement transducer
inductive displacement
inductive
transducer
displacement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8181304602T
Other languages
German (de)
Inventor
Dean Homer Symonds
David Eugene Brandon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deere and Co
Original Assignee
Deere and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Application granted granted Critical
Publication of DE3176372D1 publication Critical patent/DE3176372D1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2013—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2046—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable ferromagnetic element, e.g. a core

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Control Of Electrical Variables (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Amplifiers (AREA)
DE8181304602T 1980-10-06 1981-10-05 An inductive displacement transducer Expired DE3176372D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/194,574 US4455555A (en) 1980-10-06 1980-10-06 Control transducer

Publications (1)

Publication Number Publication Date
DE3176372D1 true DE3176372D1 (en) 1987-09-24

Family

ID=22718108

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181304602T Expired DE3176372D1 (en) 1980-10-06 1981-10-05 An inductive displacement transducer

Country Status (7)

Country Link
US (1) US4455555A (en)
EP (2) EP0049987B1 (en)
JP (1) JPS5793410A (en)
AU (1) AU529652B2 (en)
CA (1) CA1169941A (en)
DE (1) DE3176372D1 (en)
MX (1) MX151829A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551708A (en) * 1982-06-04 1985-11-05 Motornetics Corporation Reactance-commutated high resolution servo motor system
US4725839A (en) * 1984-12-21 1988-02-16 Ferranti Subsea Systems, Ltd. Remote, inductively coupled, transducer interface
DE3543058C2 (en) * 1985-12-05 1997-02-13 Teves Gmbh Alfred Method and circuit arrangement for processing a sensor signal
JPS62215802A (en) * 1986-03-18 1987-09-22 Honda Motor Co Ltd Displacement detector
US5327030A (en) * 1987-11-13 1994-07-05 Analog Devices, Inc. Decoder and monolithic integrated circuit incorporating same
US4982156A (en) * 1988-09-02 1991-01-01 Allied-Signal Inc. Position transducer apparatus and associated circuitry including pulse energized primary winding and pair of waveform sampled secondary windings
DE9000575U1 (en) * 1990-01-20 1991-05-23 Robert Bosch Gmbh, 7000 Stuttgart, De
EP0486848B1 (en) * 1990-11-17 1997-06-04 August Bilstein GmbH Relative speed or position for a damper piston moving inside a damper body
US5235274A (en) * 1991-10-07 1993-08-10 Honeywell Inc. Pulsed excitation position sensor system using linear variable differential transducers with multiplexing
GB9123633D0 (en) * 1991-11-07 1992-01-02 Radiodetection Ltd Devices comprising angular displacement sensors
FR2717895B1 (en) * 1994-03-28 1996-05-31 Sagem Inductive type absolute angle sensor with variable reluctance.
US5952823A (en) * 1996-03-22 1999-09-14 Mts Systems Corporation Magnetostrictive linear displacement transducer for a shock absorber
FR2761152B1 (en) * 1997-03-18 1999-06-11 Mecagis DEVICE FOR ELECTROMAGNETIC MEASUREMENT OF THE ANGULAR POSITION OF A ROTATING MOBILE MEMBER AND ITS APPLICATIONS
US6401883B1 (en) 1999-09-22 2002-06-11 Mts Systems Corporation Vehicle suspension strut having a continuous position sensor
US7777600B2 (en) * 2004-05-20 2010-08-17 Powerpath Technologies Llc Eddy current inductive drive electromechanical liner actuator and switching arrangement
JP4862118B2 (en) * 2006-07-19 2012-01-25 多摩川精機株式会社 Angle detector

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA827319A (en) * 1969-11-11 C. Martin John Movable core transformer transducer
US1984939A (en) * 1929-02-23 1934-12-18 Naxon Corp Sign flasher
US2430757A (en) * 1944-11-14 1947-11-11 Manning Maxwell & Moore Inc Electrical remote-reading positionindicating apparatus
GB843525A (en) * 1957-04-30 1960-08-04 Westinghouse Electric Corp Improvements in or relating to electromagnetic devices
US3250982A (en) * 1961-11-17 1966-05-10 Roe A V & Co Ltd Electro-magnetic apparatus for converting mechanical displacements into electrical voltages
US3137812A (en) * 1962-12-27 1964-06-16 Clevite Corp Position responsive transducer with a permanent flux barrier
US3555405A (en) * 1967-09-01 1971-01-12 Bailey Meter Co Movable core transformer transducer with compensated primary winding
GB1249233A (en) * 1969-02-06 1971-10-13 Inst Regelungs Technik Displacement-measuring apparatus including a differential transformer
CA878140A (en) * 1969-05-12 1971-08-10 S. Mackelvie John Signal transmitting system for rotating apparatus
US3624625A (en) * 1969-07-07 1971-11-30 Gen Motors Corp Gauge with a solid state drive
US3641429A (en) * 1969-12-24 1972-02-08 Massachusetts Inst Technology Position-measuring transducer comprising a stator and relatively movable flux-altering member
US3646537A (en) * 1970-03-13 1972-02-29 Sperry Rand Corp Automatic gain control for an electromechanical transducer
US3818326A (en) * 1971-06-23 1974-06-18 Denki Onkyo Co Ltd Rotary sensor using magnets resistance devices for detecting the rotation of a mechanical system
GB1385877A (en) * 1971-07-31 1975-03-05 Cav Ltd Transducers
DE2326257A1 (en) * 1973-05-21 1974-12-12 Siemens Ag INDUCTIVE TRANSFER
US3855525A (en) * 1973-10-05 1974-12-17 Illinois Tool Works Angular velocity sensor
DE2449697C3 (en) * 1973-10-19 1980-08-14 Hitachi, Ltd., Tokio Mechanical-electrical transmitter
US3949339A (en) * 1974-11-18 1976-04-06 C. J. Kennedy Company Angular position transducer
FR2331774A1 (en) * 1975-11-12 1977-06-10 Radiotechnique Compelec METHOD OF DYNAMIC LOCATION OF PARTICULAR POSITIONS OF MOVABLE PARTS USING A HALL-EFFECT CRYSTAL AND DEVICES FOR IMPLEMENTING THE PROCESS
US4109200A (en) * 1976-06-24 1978-08-22 A. O. Smith Corporation Position sensing differential transformer system with means to convert the output to an absolute value
US4164706A (en) * 1976-10-18 1979-08-14 Nippon Soken, Inc. Rotational position detector utilizing an FET blocking oscillator
US4083237A (en) * 1977-02-22 1978-04-11 Fischer & Porter Co. Differential reluctance motion detector
US4156192A (en) * 1977-08-11 1979-05-22 Moskovskoe Nauchno-Proizvodstvennoe Obiedinenie Po Stroitelstvu I Dorozhnomu Mashinostroeniju Inductive displacement transducer using plural magnetic screens rotatable about different axis to modify an inductance proportional to the displacement
FR2412055A1 (en) * 1977-12-19 1979-07-13 Fadico Control circuit validating signal from proximity detector - employs modulation of detector output which is sensed at operational circuit

Also Published As

Publication number Publication date
EP0189237A2 (en) 1986-07-30
EP0049987B1 (en) 1987-08-19
AU529652B2 (en) 1983-06-16
US4455555A (en) 1984-06-19
AU7551481A (en) 1983-03-31
JPS5793410A (en) 1982-06-10
EP0189237A3 (en) 1986-08-06
CA1169941A (en) 1984-06-26
EP0049987A3 (en) 1984-11-07
MX151829A (en) 1985-03-29
EP0049987A2 (en) 1982-04-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee